Add Content To Rotated Pages

Recipe normalizes its top-left coordinate system when editing portrait or landscape pages rotated by 0, 90, 180, or 270 degrees. Read the page dimensions before placing size-dependent content.

var pdfDoc = new Recipe("rotated-input.pdf", "output.pdf");
var page = pdfDoc.pageInfo(1);

pdfDoc
  .editPage(1)
  .text("[0,0] is here", 0, 0, { fontSize: 36, bold: true })
  .rectangle(0, 0, page.width / 2, page.height / 2, { opacity: 0.2 })
  .endPage()
  .endPDF();